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Concordia University
(68 results)-
White Papers
Automatic Modulation Recognition Using Wavelet Transform and Neural Networks in Wireless Systems
December 15, 2010, 12:00am PST
Modulation type is one of the most important characteristics used in signal waveform identification. In this paper, an algorithm for automatic digital modulation recognition is proposed. The...
Provided by Concordia University
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White Papers
Representing Textual Requirements as Graphical Natural Language for UML Diagram Generation
June 7, 2008, 12:00am PDT
Since the establishment of the Unified Modeling Language (UML) as a standard graphical notation for representing knowledge, new ideas have emerged about tools that can automatically extract...
Provided by Concordia University
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White Papers
Cross-Layer Cooperation to Handle MAC Misbehavior in Ad Hoc Networks
July 2, 2009, 12:00am PDT
Security in Mobile Ad hoc NETworks (MANET) presents new challenges due to the lack of centralized control policy. Prior research in securing ad hoc networks has generally focused on securing ad...
Provided by Concordia University
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White Papers
A Two-Stage Plug-in Bandwidth Selection and Its Implementation for Covariance Estimation
June 1, 2008, 12:00am PDT
The two most popular bandwidth choice rules for kernel HAC estimation have been proposed by Andrews (1991) and Newey and West (1994). This paper suggests an alternative approach that estimates an...
Provided by Concordia University
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White Papers
Bounded Regular Path Queries in View-Based Data Integration
April 3, 2009, 12:00am PDT
In this paper, the authors study the problem of deciding boundedness of (recursive) regular path queries over views in data integration systems, that is, whether a query can be re-expressed...
Provided by Concordia University
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White Papers
On Conditional Chase Termination
April 26, 2011, 12:00am PDT
The chase procedure was initially developed for testing logical implication between sets of dependencies, for determining equivalence of database instances known to satisfy a given set of...
Provided by Concordia University
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White Papers
A Unified Data Mining Solution for Authorship Analysis in Anonymous Textual Communications
April 8, 2011, 12:00am PDT
The cyber world provides an anonymous environment for criminals to conduct malicious activities such as spamming, sending ransom e-mails, and spreading botnet malware. Often, these activities...
Provided by Concordia University
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White Papers
Mining Criminal Networks from Unstructured Text Documents
January 31, 2012, 12:00am PST
Digital data collected for forensics analysis often contain valuable information about the suspects' social networks. However, most collected records are in the form of unstructured textual data,...
Provided by Concordia University
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White Papers
A First Look on the Effects and Mitigation of VoIP SPIT Flooding in 4G Mobile Networks
September 18, 2011, 12:00am PDT
The fourth generation of mobile networks is considered a technology-opportunistic and user-centric system. Part of its new architecture, 4G networks will implement an evolved packet core. Although...
Provided by Concordia University
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White Papers
Defaming Botnet Toolkits: A Bottom-Up Approach to Mitigating the Threat
April 20, 2010, 12:00am PDT
Botnets have become one of the most prevailing threats to today's Internet partly due to the underlying economic incentives of operating one. Botnet toolkits sold by their authors allow any layman...
Provided by Concordia University
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White Papers
On the Analysis of the Zeus Botnet Crimeware Toolkit
June 22, 2010, 12:00am PDT
In this paper, the authors present their reverse engineering results for the Zeus crimeware toolkit which is one of the recent and powerful crimeware tools that emerged in the Internet underground...
Provided by Concordia University
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White Papers
Insights From the Analysis of the Mariposa Botnet
September 1, 2010, 12:00am PDT
Nowadays, botnets are among the topmost network threats by combining innovative hacking capabilities. This is due to the fact that they are constantly improved by hackers to become more resilient...
Provided by Concordia University
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White Papers
Text Detection From Scene Images Using Sparse Representation
November 11, 2008, 12:00am PST
A sparse representation based method is proposed for text detection from scene images. The authors start with edge information extracted using Canny operator and then group these edge points into...
Provided by Concordia University
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White Papers
A Security Hardening Language Based on Aspect-Orientation
January 8, 2008, 12:00am PST
In this paper, the authors propose an aspect-oriented language, called SHL (Security Hardening Language), for specifying systematically the security hardening solutions. This language constitutes...
Provided by Concordia University
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White Papers
A Network Centric Infrastructure for Decision Support Based on Service Integration
January 1, 2012, 12:00am PST
The importance of-fresh data is of paramount importance especially in missions involving safety/security critical context. The present infrastructure for service integration implements a one-time...
Provided by Concordia University
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White Papers
A Hybrid Approach for Safe Memory Management in C
May 15, 2008, 12:00am PDT
In this paper, the authors present a novel approach that establishes a synergy between static and dynamic analyzes for detecting memory errors in C code. They extend the standard C type system...
Provided by Concordia University
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White Papers
A Synergy Between Static and Dynamic Analyses for Securing C Code
March 27, 2008, 12:00am PDT
The explicit memory management of the C programming language is one of its key features. However, it spawns insidious programming errors that may lead to critical security flaws. Both static and...
Provided by Concordia University
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White Papers
AspectJ Advice Weaving Semantics
August 15, 2007, 12:00am PDT
In this paper, the authors describe AspectJ 1.2 advice weaving semantics. Advice weaving in AspectJ is performed on the bytecode and consists of two parts: pointcut matching process and advice...
Provided by Concordia University
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White Papers
Formal and Practical Weaving Approach Based on the Gimple Language for Software Security Hardening
April 9, 2008, 12:00am PDT
In this paper, the authors propose an aspect-oriented approach based on the Gimple language for the systematic security hardening of software. They also present a formal specification for Gimple...
Provided by Concordia University
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White Papers
New AOP Pointcuts and Primitives for Security Hardening Concerns
May 9, 2008, 12:00am PDT
In this paper, the authors present new pointcuts and primitives to Aspect-Oriented Programming (AOP) languages that are needed for systematic hardening of security concerns. The two proposed...
Provided by Concordia University
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White Papers
Towards Automation of Testing High-Level Security Properties
May 22, 2008, 12:00am PDT
Many security problems only become apparent after software is deployed, and in many cases a failure has occurred prior to the awareness of the problem. Although many would argue that the simpler...
Provided by Concordia University
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White Papers
Towards a Formal Semantics for AspectJ Weaving
January 1, 2012, 12:00am PST
This paper describes a formal semantics of advice weaving in AspectJ. Since the version 1.1, AspectJ language is developed using bytecode weaving, which combines aspects and classes to produce...
Provided by Concordia University
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White Papers
Comparing Selected Criteria of Programming Languages Java, PHP, C++, Perl, Haskell, AspectJ, Ruby, COBOL, Bash Scripts and Scheme
August 19, 2010, 12:00am PDT
The first high-level programming languages were designed during the 1950s. Ever since then, programming languages have been a fascinating and productive area of study. Thousands of different...
Provided by Concordia University
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White Papers
Comparative Study of the Pros and Cons of Programming Languages Java, Scala, C++, Haskell, VB .NET, AspectJ, Perl, Ruby, PHP & Scheme
August 19, 2010, 12:00am PDT
After carefully analyzing the languages, the authors have come to the conclusion that every languages has it's own ups and downs. Every particular language has a purpose but can be extended or...
Provided by Concordia University
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White Papers
Security Evaluation and Hardening of Free and Open Source Software (FOSS)
December 10, 2010, 12:00am PST
Recently, Free and Open Source Software (FOSS) has emerged as an alternative to Commercial-Off-The-Shelf (COTS) software. Now, FOSS is perceived as a viable long-term solution that deserves...
Provided by Concordia University
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Whitepapers
Priority-Aware Optical Shared Protection Coupled With Mutation Probability
July 13, 2010, 12:00am PDT
The next big challenge for optical network operators is to meet the diverse availability requirements of the various subscribed services through the adoption of appropriate protection strategies....
Provided by Concordia University
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Whitepapers
Formal Specification of Object-Oriented Design
January 1, 2012, 12:00am PST
Software architectures and designs "Notations" are typically based on bubble-and-arc diagrams. Embellishing these diagrams may increase their information content but does not make a language. A...
Provided by Concordia University
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White Papers
Distributed, Multi-Threaded Verification of Java Programs
January 1, 2008, 12:00am PST
Extended Static Checking (ESC) is a fully automated formal verification technique and is generally quite efficient, as far as verification tools go, but it is still orders of magnitude slower than...
Provided by Concordia University
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White Papers
Bounded Regular Path Queries in View-Based Data Integration
April 3, 2009, 12:00am PDT
In this paper, the authors study the problem of deciding boundedness of (recursive) regular path queries over views in data integration systems, that is, whether a query can be re-expressed...
Provided by Concordia University
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White Papers
Cross-Layer Cooperation to Handle MAC Misbehavior in Ad Hoc Networks
July 2, 2009, 12:00am PDT
Security in Mobile Ad hoc NETworks (MANET) presents new challenges due to the lack of centralized control policy. Prior research in securing ad hoc networks has generally focused on securing ad...
Provided by Concordia University
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White Papers
Representing Textual Requirements as Graphical Natural Language for UML Diagram Generation
June 7, 2008, 12:00am PDT
Since the establishment of the Unified Modeling Language (UML) as a standard graphical notation for representing knowledge, new ideas have emerged about tools that can automatically extract...
Provided by Concordia University
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White Papers
Automatic Modulation Recognition Using Wavelet Transform and Neural Networks in Wireless Systems
December 15, 2010, 12:00am PST
Modulation type is one of the most important characteristics used in signal waveform identification. In this paper, an algorithm for automatic digital modulation recognition is proposed. The...
Provided by Concordia University
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White Papers
Nominal Rigidities, Monetary Policy And Pigou Cycles
July 7, 2009, 12:00am PDT
A chief goal of the Pigou cycle literature is to generate a boom in response to news of a future increase in productivity and a bust if this improvement does not in fact take place. The authors...
Provided by Concordia University
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White Papers
Performance of an Efficient Scheduling Approach to Network Coding for Wireless Local Repair
February 6, 2011, 12:00am PST
The authors propose a new XOR based scheduling algorithm for network coding in cooperative local repair. The algorithm makes use of knowledge of the packets availability at neighboring nodes to...
Provided by Concordia University
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White Papers
Asymptotic Capacity and Optimal Precoding Strategy of Multi-Level Precode & Forward in Correlated Channels
March 7, 2008, 12:00am PST
The authors analyze a multi-level MIMO relaying system where a multiple-antenna transmitter sends data to a multiple-antenna receiver through several relay levels, also equipped with multiple...
Provided by Concordia University
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White Papers
K-Zero Day Safety: Measuring the Security Risk of Networks Against Unknown Attacks
July 6, 2010, 12:00am PDT
The security risk of a network against unknown zero day attacks has been considered as something unmeasurable since software flaws are less predictable than hardware faults and the process of...
Provided by Concordia University
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White Papers
On the Suitability of XML and Its Quality Framework of Languages Based on Models for Representing Interactive Systems
May 15, 2008, 12:00am PDT
There has been a recent surge in initiatives towards modeling and engineering interactive systems based on Model-Driven Architecture (MDA) using XML. As this trend moves forward, issues of the...
Provided by Concordia University
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White Papers
Efficient Distributed Detection of Node Replication Attacks in Sensor Networks
September 13, 2007, 12:00am PDT
Wireless sensor nodes lack hardware support for tamper-resistance and are often deployed in unattended environments, thus leaving them vulnerable to capture and compromise by an adversary. In a...
Provided by Concordia University
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White Papers
Object-Oriented Intensional Programming: Intensional Classes Using Java and Lucid
September 3, 2009, 12:00am PDT
This paper introduces Object-Oriented Intensional Programming (OO-IP), a new hybrid language between Object-Oriented and Intensional Programming Languages in the sense of the latest evolutions of...
Provided by Concordia University
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White Papers
Service-Oriented Architectures and Web Services: Course Tutorial Notes
March 30, 2011, 12:00am PDT
This paper presents a number of quick-step instructions to get started on writing mini-service-oriented web services-based applications using NetBeans 6.9.1, Tomcat 6, Glass-Fish 3.0.1, and Java...
Provided by Concordia University
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White Papers
Advances in the Design and Implementation of a Multi-Tier Architecture in the GIPSY Environment
June 26, 2009, 12:00am PDT
The authors present advances in the software engineering design and implementation of the multi-tier run-time system for the General Intensional Programming System (GIPSY) by further unifying the...
Provided by Concordia University
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White Papers
Using the General Intensional Programming System (GIPSY) for Evaluation of Higher-Order Intensional Logic (HOIL)
June 22, 2009, 12:00am PDT
The General Intensional Programming System (GIPSY) has been built around the Lucid family of intensional programming languages that rely on the Higher-Order Intensional Logic (HOIL) to provide...
Provided by Concordia University
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White Papers
Feynman Algorithm Implementation for Comparison With Euler in a Uniform Elastic Two-Layer 2D and 3D Object Dynamic Deformation Framework in OpenGL With GUI
June 17, 2009, 12:00am PDT
The authors implement for comparative purposes the Feynman algorithm within a C++-based framework for two-layer uniform facet elastic object for real-time softbody simulation based on physics...
Provided by Concordia University
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White Papers
Asymptotic Capacity and Optimal Precoding in MIMO Multi-Hop Relay Networks
May 29, 2009, 12:00am PDT
A multi-hop relaying system is analyzed where data sent by a multi-antenna source is relayed by successive multi-antenna relays until it reaches a multi-antenna destination. Assuming correlated...
Provided by Concordia University
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White Papers
PEKSrand: Providing Predicate Privacy in Public-Key Encryption With Keyword Search
September 2, 2010, 12:00am PDT
Recently, Shen, Shi, and Waters introduced the notion of predicate privacy, i.e., the property that t(x) reveals no information about the encoded predicate p, and proposed a scheme that achieves...
Provided by Concordia University
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White Papers
Comparative Studies of 10 Programming Languages Within 10 Diverse Criteria
September 1, 2010, 12:00am PDT
There are many programming languages in the world today. Each language has their advantage and disadvantage. In this paper, the authors will discuss ten programming languages: C++, C#, Java,...
Provided by Concordia University
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White Papers
Multifaceted Faculty Network Design and Management: Practice and Experience Report
March 28, 2011, 12:00am PDT
The authors report on the experience on multidimensional aspects of the faculty's network design and management, including some unique aspects such as campus-wide VLANs and ghosting, security and...
Provided by Concordia University
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White Papers
Dynamic Bandwidth Allocation for Quality-of-Service Over Ethernet PONs
November 14, 2007, 12:00am PST
Ethernet-based Passive Optical Network (EPON) technology is being considered as a promising solution for next-generation broadband access network due to the convergence of low-cost Ethernet...
Provided by Concordia University
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White Papers
A Model Of Knowledge-Sharing Motivation
September 17, 2009, 12:00am PDT
In this white paper, the author present a model of knowledge-sharing motivation based on a combination of the Theory of Planned Behavior (TPB) and Self-Determination Theory (SDT), along with a...
Provided by Concordia University
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White Papers
A Privacy Framework Within the Java Data Security Framework (JDSF): Design Refinement, Implementation, and Statistics
May 16, 2008, 12:00am PDT
This paper presents a refinement design of something the authors call a Confidentiality Framework, which is a part of a more general formation, that the authors refer to as a Java Data Security...
Provided by Concordia University
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White Papers
Text Mining and Software Engineering: An Integrated Source Code and Document Analysis Approach
September 16, 2007, 12:00am PDT
Documents written in natural languages constitute a major part of the artifacts produced during the software engineering lifecycle. Especially during software maintenance or reverse engineering,...
Provided by Concordia University
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White Papers
A Unified Framework for Shared Protection Schemes in Optical Mesh Networks
July 1, 2009, 12:00am PDT
While the advantages of p-cycles and FIPP p-cycles are well established, there has been no systematic analysis of how much bandwidth they consume in comparison with the classical shared link and...
Provided by Concordia University
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White Papers
Integrating Automated Data Acquisition Technologies for Progress Reporting of Construction Projects
September 2, 2009, 12:00am PDT
Controlling construction projects necessitates controlling their time and cost in an effort to meet the planned targets. Management needs timely data that represent the status of the project to...
Provided by Concordia University
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White Papers
Enhancing the OpenOffice.org Word Processor With Natural Language Processing Capabilities
January 2, 2009, 12:00am PST
Off late knowledger workers are often overwhelmed by the vast amount of readily available natural language documents that are potentially relevant for a given task. Natural Language Processing...
Provided by Concordia University
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White Papers
Distributed, Multi-Threaded Verification of Java Programs
January 1, 2008, 12:00am PST
Extended Static Checking (ESC) is a fully automated formal verification technique and is generally quite efficient, as far as verification tools go, but it is still orders of magnitude slower than...
Provided by Concordia University
-
White Papers
A Two-Stage Plug-in Bandwidth Selection and Its Implementation for Covariance Estimation
June 1, 2008, 12:00am PDT
The two most popular bandwidth choice rules for kernel HAC estimation have been proposed by Andrews (1991) and Newey and West (1994). This paper suggests an alternative approach that estimates an...
Provided by Concordia University
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